Write thThe bookstore is selling a series of 4 books for $97.50. What is the unit price for one book? Round your answer to the nearest cent if necessary. e ratio as a fraction: 630kilometers in 5hours. Simplify your answer.

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.